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RBLX SEC Filing News — Roblox Corporation

Latest SEC filings for Roblox Corporation (RBLX) explained in plain English: insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). Sourced directly from SEC EDGAR.

What you’re looking at: Each item below is parsed from an actual SEC filing. Form 4 = confirmed insider transaction · Form 144 = proposed sale notice · 8-K = material event (earnings, M&A, leadership change, etc.) · 10-Q / 10-K = quarterly / annual report.
Form 4 Tax / Compensation Filing 2026-04-20

RBLX insider Form 4 filed for equity award, exercise, or tax withholding

Rawlings Amy Marie (Chief Accounting Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Rawlings Amy Marie (Chief Accounting Officer) Shares: 5,228
Form 4 Insider Selling 2026-04-15

RBLX insider Kaufman Matthew D (Chief Safety Officer) sold 13,325 shares (~$772.1K)

Kaufman Matthew D, listed as Chief Safety Officer at Roblox Corp, reported an open-market sale of 13,325 RBLX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Kaufman Matthew D (Chief Safety Officer) Shares: 13,325 Est. Value: $772.1K
Form 4 Insider Selling 2026-04-15

RBLX insider Reinstra Mark (Chief Legal Off. & Corp. Sec.) sold 18,653 shares (~$1.08M)

Reinstra Mark, listed as Chief Legal Off. & Corp. Sec. at Roblox Corp, reported an open-market sale of 18,653 RBLX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Reinstra Mark (Chief Legal Off. & Corp. Sec.) Shares: 18,653 Est. Value: $1.08M
Form 144 Proposed Insider Sale 2026-04-13

RBLX Form 144 filed for proposed insider sale by Reinstra Mark (18,653 shares) ~$2.16M

Reinstra Mark filed a Form 144 with the SEC indicating intent to sell RBLX (Roblox Corp) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Reinstra Mark Shares: 18,653 Est. Value: $2.16M
Form 144 Proposed Insider Sale 2026-04-13

RBLX Form 144 filed for proposed insider sale by Kaufman Matthew D (13,325 shares) ~$1.54M

Kaufman Matthew D filed a Form 144 with the SEC indicating intent to sell RBLX (Roblox Corp) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Kaufman Matthew D Shares: 13,325 Est. Value: $1.54M
Form 4 Tax / Compensation Filing 2026-04-03

RBLX insider Form 4 filed for equity award, exercise, or tax withholding

Baszucki David (Director, President & CEO, 10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Baszucki David (Director, President & CEO, 10% Owner) Shares: 2,687,511
Form 4 Insider Selling 2026-04-03

RBLX insider Baszucki Gregory (Director) sold 16,666 shares (~$965.8K)

Baszucki Gregory, listed as Director at Roblox Corp, reported an open-market sale of 16,666 RBLX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Baszucki Gregory (Director) Shares: 16,666 Est. Value: $965.8K
Form 144 Proposed Insider Sale 2026-04-01

RBLX Form 144 filed for proposed insider sale by GREG AND CHRISTINA BASZUCKI LIV TR (8,333 shares) ~$942.6K

GREG AND CHRISTINA BASZUCKI LIV TR filed a Form 144 with the SEC indicating intent to sell RBLX (Roblox Corp) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: GREG AND CHRISTINA BASZUCKI LIV TR Shares: 8,333 Est. Value: $942.6K
Form 144 Proposed Insider Sale 2026-04-01

RBLX Form 144 filed for proposed insider sale by Greg Baszucki (8,333 shares) ~$942.6K

Greg Baszucki filed a Form 144 with the SEC indicating intent to sell RBLX (Roblox Corp) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Greg Baszucki Shares: 8,333 Est. Value: $942.6K
Form 4 Tax / Compensation Filing 2026-03-23

RBLX insider Form 4 filed for equity award, exercise, or tax withholding

Durkin Dennis M (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Durkin Dennis M (Director) Shares: 3,524
Form 8-K Material Company Update 2026-03-20

RBLX filed 8-K — material company event

Roblox Corp filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
Form 4 Insider Selling 2026-03-03

RBLX insider Baszucki Gregory (Director) sold 16,666 shares (~$1.15M)

Baszucki Gregory, listed as Director at Roblox Corp, reported an open-market sale of 16,666 RBLX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Baszucki Gregory (Director) Shares: 16,666 Est. Value: $1.15M
Form 4 Tax / Compensation Filing 2026-03-03

RBLX insider Form 4 filed for equity award, exercise, or tax withholding

Baszucki David (Director, President & CEO, 10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Baszucki David (Director, President & CEO, 10% Owner) Shares: 102,303
Form 4 Tax / Compensation Filing 2026-03-03

RBLX insider Form 4 filed for equity award, exercise, or tax withholding

Reinstra Mark (Chief Legal Off. & Corp. Sec.) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Reinstra Mark (Chief Legal Off. & Corp. Sec.) Shares: 96,790
Form 4 Tax / Compensation Filing 2026-03-03

RBLX insider Form 4 filed for equity award, exercise, or tax withholding

Kaufman Matthew D (Chief Safety Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Kaufman Matthew D (Chief Safety Officer) Shares: 85,609
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